Home / 99,250.24-136,964.64-54,539.20

Finding the Fourth Proportional to 99,250.24, 136,964.64 and 54,539.20

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Solution

The fourth proportional to 99,250.24, 136,964.64 and 54,539.20 is: 75,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,250.24 : 136,964.64 = 54,539.20 : x
  2. Step 2: Convert to fraction form
    99,250.24/136,964.64 = 54,539.20/x
  3. Step 3: Cross multiply
    99,250.24x = 136,964.64 × 54,539.20
  4. Step 4: Simplify right side
    99,250.24x = 7,469,941,893.89
  5. Step 5: Solve for x
    x = 7,469,941,893.89/99,250.24
  6. Step 6: Final answer
    x = 75,263.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.